34 lines
643 B
C
34 lines
643 B
C
/*
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* Draw random circles.
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*/
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#include <stdio.h>
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#include <sys/gpanel.h>
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int xsize, ysize;
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int main()
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{
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char *devname = "/dev/tft0";
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int x, y, r, color;
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if (gpanel_open(devname) < 0) {
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printf("Cannot open %s\n", devname);
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exit(-1);
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}
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gpanel_clear(0, &xsize, &ysize);
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printf("Screen size %u x %u.\n", xsize, ysize);
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srand(time(0));
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printf("Draw random circles.\n");
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printf("Press ^C to stop.\n");
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for (;;) {
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x = rand() % xsize;
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y = rand() % ysize;
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r = rand() % ysize;
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color = rand() << 1;
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gpanel_circle(color, x, y, r);
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}
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return 0;
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}
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